- Booksellers and bookselling1
- Booksellers' labels1
- Booth, William1
- Borghi, Piero, -approximately 14941
- Bosch de Vilasar family1
- Boschi, Giovanni1
- Bosselmini, Lippo de1
- Botany, Medical1
- Bouchard family1
- Bouchet, Jean, 1476-approximately 1558. Balade moralle contre les aveuglez mondainsi1
- Bowyer, William1
- Bracciolini, Poggio, 1380-14591
- Brancacci, Antonio1
- Brancacci, Branca1
- Brancacci, Caterina1
- Brescia (Italy). Podestà1
- Bridget, of Sweden, Saint, approximately 1303-13731
- Broadsides1
- Brunelleschi, Alderotto de'1
- Brunelleschi, Antonia1